Andesite and Slate Definition

Definition of Andesite and Slate

The general Andesite and Slate definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Andesite and Slate, get to know about Properties of Andesite and Slate. Get to know more information about Andesite and Slate origin and discoverer, etymology and class.

History of Andesite and Slate

The history of Andesite and Slate gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Andesite and Slate Origin and Discoverer

Andesite and Slate definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Andesite and Slate. In this section, you will know about Andesite and Slate Origin and Discoverer. Origin of Andesite is North America whereas Origin of Slate is England. It is interesting to know the name of Andesite and Slate discoverer. The discoverer of Andesite and Slate are Unknown.

Etymology of Andesite and Slate

Along with Andesite and Slate definition, know more about the etymology of Andesite and Slate. Etymology of Andesite and Slate gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Slate. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Slate is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite belongs to Igneous Rocks while Slate belongs to Metamorphic Rocks. The sub-class, group and other categories of Andesite and Slate are listed below.

For Andesite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock

For Slate,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock